<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格</title>
</head>
<body>
    <h2>普通表格</h2>
    <table>
        <tr>
            <th>姓名</th>
            <th>语文</th>
            <th>数学</th>
            <th>英语</th>
        </tr>
        <tr>
            <td>张三</td>
            <td>90</td>
            <td>90</td>
            <td>90</td>
        </tr>
        <tr>
            <td>李四</td>
            <td>95</td>
            <td>95</td>
            <td>95</td>
        </tr>
    </table>
    <h2>列合并表格</h2>
    <table>
        <tr>
            <th>姓名</th>
            <th>语文</th>
            <th>数学</th>
            <th>英语</th>
        </tr>
        <tr>
            <td>张三</td>
            <td>90</td>
            <td>90</td>
            <td>90</td>
        </tr>
        <tr>
            <td>李四</td>
            <td colspan="2">95</td>       
            <td>95</td>     
        </tr>
    </table>
    <h2>行合并表格</h2>
    <table>
        <tr>
            <th>姓名</th>
            <th>语文</th>
            <th>数学</th>
            <th>英语</th>
        </tr>
        <tr>
            <td>张三</td>
            <td>90</td>
            <td rowspan="2">90</td>
            <td>90</td>
        </tr>
        <tr>
            <td>李四</td>
            <td>95</td>          
            <td>95</td>   
        </tr>
    </table>
</body>
</html>